package com.ruoyi.common.core.domain;

import com.ruoyi.common.constant.HttpStatus;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

import java.io.Serializable;

/**
 * 响应信息主体
 *
 * @author ruoyi
 */
@Data
@NoArgsConstructor
@AllArgsConstructor
public class R<T> implements Serializable {
    // 成功
    public static final int SUCCESS = HttpStatus.SUCCESS;
    // 失败
    public static final int FAIL = HttpStatus.ERROR;
    // 告警
//    public static final int WARN = HttpStatus.WARN;

    private int code;

    private String msg;

    private T data;

    public static <T> R<T> ok() {
        return restResult(null, SUCCESS, "操作成功");
    }

    public static <T> R<T> ok(T data) {
        return restResult(data, SUCCESS, "操作成功");
    }

    public static <T> R<T> ok(T data, String msg) {
        return restResult(data, SUCCESS, msg);
    }

    public static <T> R<T> fail() {
        return restResult(null, FAIL, "操作失败");
    }

    public static <T> R<T> fail(String msg) {
        return restResult(null, FAIL, msg);
    }

//    public static <T> R<T> fail(T data) {
//        return restResult(data, FAIL, "操作失败");
//    }

    public static <T> R<T> fail(T data, String msg) {
        return restResult(data, FAIL, msg);
    }

    public static <T> R<T> fail(int code, String msg) {
        return restResult(null, code, msg);
    }

    private static <T> R<T> restResult(T data, int code, String msg) {
        R<T> apiResult = new R<>();
        apiResult.setCode(code);
        apiResult.setData(data);
        apiResult.setMsg(msg);
        return apiResult;
    }

    public static <T> Boolean isError(R<T> ret) {
        return !isSuccess(ret);
    }

    public static <T> Boolean isSuccess(R<T> ret) {
        return R.SUCCESS == ret.getCode();
    }

    private static final long serialVersionUID = 1L;
}
